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1. drupal
   1. drupal7

Collate all information on existing fields and instances.

Übergabeparameter

$reset If TRUE, clear the cache. The information will be rebuilt from the database next time it is needed. Defaults to FALSE.

Rückgabewert

If $reset is TRUE, nothing. If $reset is FALSE, an array containing the following elements:

• fields: array of all defined Field objects, keyed by field name. Each field has an additional element, bundles, which is an array of all bundles to which the field is assigned.
• instances: array whose keys are bundle names and whose values are an array, keyed by field name, of all Instance objects in that bundle.

Verwandte Themen

Field Info API

Obtain information about Field API configuration.

Code

modules/field/field.info.inc, line 166

<?php
function _field_info_collate_fields($reset = FALSE) {
  static $info;

  if ($reset) {
    $info = NULL;
    cache_clear_all('field_info_fields', 'cache_field');
    return;
  }

  if (!isset($info)) {
    if ($cached = cache_get('field_info_fields', 'cache_field')) {
      $info = $cached->data;
    }
    else {
      $info = array(
        'fields' => field_read_fields(),
        'instances' => array_fill_keys(array_keys(field_info_bundles()), array()),
      );

      // Populate instances.
      $instances = field_read_instances();
      foreach ($instances as $instance) {
        $info['instances'][$instance['bundle']][$instance['field_name']] = $instance;
        $info['fields'][$instance['field_name']]['bundles'][] = $instance['bundle'];
      }

      cache_set('field_info_fields', $info, 'cache_field');
    }
  }

  return $info;
}
?>